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Full text of "Multiple series and constant current arc lamps for direct current circuits."

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improved 

Interchangeable 

Camps 






August 1902 



Western electric Company 



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Chicago 



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Philadelphia 



York 



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viol •¥• 



[BLANK PAGE] 




CCA 



INTFRNATIONAI 



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/estern Electric Company 



MULTIPLE SERIES AND CONSTANT CURRENT 

ARC LAHPS 
FOR DIRECT CURRENT CIRCUITS 



ulitin 7030 








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\m 










December, 1904 











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vpe 420. 



Type 411 



Type 42o 



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Multiple Series and Constant Current Arc 

Lamps for Direct Current Circuits 





Introductory 




>R the operation of arc lamps in multiple series on 220 volt and 500 



volt direct-current circuits, as well 



as on constant-current series 



circuits, it is necessary to provide an arc lamp in which not only the 
voltage of the arc but also the current through the arc is controlled. If the 

olt alone is taken care of by the regulating mechanism of the lamp, a 

;ht change in terminal pressure will result in a considerable increase in 

current in the arc. If the current in the arc alone is controlled, the arc 

olt e is likely to vary, causing one lamp to run at a higher or lower voltage 
than the lamp in series with it, and resulting in an uneven illumination. In 
order to overcome these troul s, we provide a lamp in which the main 
magnet is connected in series with the arc and the shunt magnet across thi 
.1 The relative action of these magnets is such that should the current 
ini ise, the voltage of the arc will increase proportionately, or should the 

■•It; e decrease the current will decrease proportionately. The mechanism. 
therefore, maintains current and arc voltage at proportional values resulting 
in stable conditions and uniformity in illuminating power of the different 
lamps in series. 




WESTERN ELECTRIC COMPANY 




Operation 

The arrangement of parts results in an action 
of the shunt magnet in opposition to that of t 
series magnet and, by a proper proportioning an, 
shaping of the paraboloid pole-tips upon the magnet 
cores, we have succeeded in so balancing the two 
magnets, one against the other, as to secure a very 
accurate and reliable adjustment of the arc voltage 
together with a positive reliable cut-out action at a 
moderate increase of voltage above normal. 

Hut a single exciting coil is used on each of the 
electro-magnets and the magnetic circuits an com- 
bined in one throughout a portion of their length 
enabling us to utilize a portion of the mechanical 
framework (Fig. 1 , upon which the exciting coils 



Fig. |. 

Frame* t / j am |. 



are supported and thus simplify and 
cheapen the lamp. The exciting 
co.ls, both on the shunt and series 
sides (Fig. 2, .are so attached to the 
supports as to be readily accessible 
tor inspection or removal. A single 
screw is all that need be taken out 
to remove a coil. 






Fig. 2. 

and shunt coils 



con- 



Fig. :i 

A '»« a ' « armature wi ,h 

cut-out an. I lifting link. 



The armature (Fig. 3) is directly _,_ 
nected by a link to the carbon lifting clutch 
the lmk being so formed that a slight bend- 
J"* in one direction or the other will adjust 
't for length and thus permit the pick-up 
or startmg point of the lamp tQ be ^.^ 

Hie armature itself is i„ two portions, pivol 

ally connected for the purpose of facilitating 
adjustment of the relative position of the 

two portions, with one another and with the 
paraboloid cor,- tips. The windings of the 



) 



) 



WESTERN ELECTRIC COMPANY 



exciting coils, while generous and sufficient for the work to be performed and 
giving ample radiating surface, are considerably smaller in bulk and require a 
smaller expenditure of energy than is the case in lamps where two coils are used 
for each magnetic circuit. For this reason the efficiency of the lamp is very 
high under all normal conditions of operation. 

The automatic cut-out has one part mounted directly upon the moving armature, 

the other part being mounted upon the framework of the lamp but well insulated 

therefrom. The contact surfaces are provided with silver contact pieces. This 

cul ut is so arranged that when the lamp is not in operation it stands closed and 

when through any abnormal conditions in the lamp, say, a failure of the carbon 

to feed down or sticking of the mechanism, the device will automatically cut out 
the lamp. 

A feature common to all our lamps and one 
that has attracted widespread attention 
peculiarly shaped body, known as the waist 
I Fig. 4). Its function is to separate the operating 
mechanism from the arc. It insures low tem- 
perature of the operating parts, the heat of the 
arc being confined to its own chamber and dis- 
sipated by the radiating surface of the waist 
before it can reach the mechanism chamber. 
The waist is closed by an annular casting which 
prevents the heated air rising and carrying dust 
into the mechanism chamber. This feature has 
been found of great importance especially where 
arc lamps are operated in hot. dusty places and 
in cases where the outer globe is dispensed with. 



is a 




Wais. 



Fig. 4. 

showing supporting studs for gas 
check plate. 



I 



Rigidity 

The waist is so designed that it insures the mechanical rigidity of the lamp 
nd preserves the relative adjustment of the parts. Unlike certain other man- 
ufacturers we do not depend, for the support of the movement in our lamp, upon 
a single tube placed in the center of the lamp. As will be seen in Fig. 4. the 
center tube in our lamp is secured to the bottom of the waist by means of two 
screws and is guided into position at the top, while the two brass tubes on the 
outside form parts of a supporting frame to which the operating parts are attached. 
This construction removes one prolific source of trouble in arc lamp operation. i. e., 
the getting, out of alignment of the operating parts. With accurately machined 
surfaces on the waist and a systematic jigging and drilling of all parts, the chances 



I 






WESTERN ELECTRIC COMPANY 



for imperfect alignment and consequent sticking of the carbons are very remote 

No shin or other makeshift contrivances are needed when 

our lamp. 



assemblin 



The principal advantage arising from 
to put the lamp into the customer's hands 
ment of parts will be found necessary. 



the use of the waist lies in the ability 
in such a condition that no readjust- 




Fig. .I. 
iter globe-holding ring. 



In many arc lamps the outer globe is su 
pended in such a way that a strain is brought 
to bear upon the glass and the result is the 
frequent breakage of outer globes. Our outer 
lobe-holding ring (Fig. 5), effectually over- 
comes this trouble and diminishes the cost of 
renewals of outer globes. 



The ,uare tub. (Fig. 6) which forms ehe guide for ,he upper 

carbon, tart, the travel of the movement of the carbon-holder and 

protects the copper ribbon from injury. Thi S copper ribbon forms a 

net, le connecon between the traveling carbon-holder and the 

atton tube. I, pos !ses the advantage over a spiral coil fha, it 

no, eastly ktuked or thrown out of order and offers a non-inductive 

path for the current; at the same time the attachment 
is so made to the square tube and carbon holder that 
no stram is brought to bear at its end,. We have in thi- 
copper ribbon a device tried by many years of service 
and find ,t to e* ,ed in reliability and durabilitv ant 
known form of spiral coil or flexible cord. 

The upper carbon-holder. (Fig 7, to which the ribbon 
■s attached, is mad, ,„ a substantial manner of spring 
phosphor bronze punching,, so di,po,ed that ,h, will 
"™ , „p carbon, of the ordinary commercial 
rant ,„ d.ameter. and pc ssed of sufficient stability 
and „ elgh , to overeoIne , he s|igh( fr . ct . ona| res . stance 

whtch the carbon may meet. When fhe ordinary cheap 
orm of ,pn„g tube i, u,ed for the upper carbo^holder, 
t ■• ten found ,ha, the carbon, become loosened, and 
he spnngs becoming hot lose thcir , ensjon 

puratively short time of service. 

Th :,utch ,i ,g. 8) , n our arc |amp . s Qf 

cS " : 3 1 Simple ' Hi,h ° Ut h «*- P-. -sib 

effect, ' >tCd f ° r C ° mmerc ial «"»»,. 1, 

K-ectually prevents the jarring through of the carbon 



Fig. 7. 

Upper carbon 
holder. 





Fig. 6. 

are tu 1 

- 

bon. 




Fig 

Clutch. 




WESTERN ELECTRIC COMPANY 




The gas check plat. Fig ,» is made of cast bra 
hence is not subje< i to the rusting al\ und on cas 

on plat 

The doubh *as cl ck mounted upon the lower sur- 
face of the jra -heck plate is so formed as to retard t 

ipe of the .Hid restrict the Imission of r, 

thus insuring long life in the carl*..!) ind hij?h < >nomi 
Th inner globe is supported bj i bail (Fig 9) which is 
pivotally attached to th< is check plati it its tw 
extremities and is pn ed into p <n I th< iprin 

portion of the bail r ting t the lower extremit; 

of tl globe. 



i] mpporl i 



The Unit Resistance Drum 

Rheostat 








Fig. 10. 

s. 



I he rh( i i built up ol a num r ol \ ei 
il drums wound with high resistance wire 
(I ;. 10). The drums an ill alike and read 
intercl igeable. The) in upported on vei cal 
steel rods and can easily be removed. The drums 

are made of well vitrified por lin .ind |)i I 

ided with cii ilar groov< in which th< \ iml Ided. This construct i pn 

vents the win from igging ami short-circuit! j adja ent turn As the win in 

lose proa nt\ with the porcelain, the I it is rapidly carried y tlu drum. 

The drum md« tible, as th will not I k 

or warp, and n carry 15 to 20 ampei r an md< 

inite length of time. It the an should t short 

cii ited the rheost.it ill not \> destn mea 

of a clamp slidii up or wn on the] lain drum th 
active number ol turn t wire aren lil ble. 







The Enclosing Shell 

Tht II (Fig. 1 1 I for ei m em- t c 

imp is n with a \ ien t Where 

ther makers have recoi to -pun rii and other 
perishal contrivanc t pr dii n< 

r surf we pi p n lind i -hell 

which can be relied upon to I or many n 

in the most ex| pi 









I 



WESTERN ELECTRIC COMPANY 



Replacing Open Series Arc Lamps with Enclosed Series 

Arc Lamps Operating at 9.6 Amperes 



In many plan,, th , opeo seri , s arc ,, hav( , bcen 

V operated fro„ ft. old arc m achL. As these 

• " T '» » »»<•««. 'he lamps are adjusted for th o 

™ e that „,M ,„ sllr , >teady ligh , 0wing (o J si <°r 

, a ' haS 'v.ly adopted for thi, work. The li K h, is a. evenly strib 

-t „ ft. carbon, »un,e , very high temperatu, and con, bote 

thearcp r ,. pIi( where ft. ...noapher. I. lade. witl no k, 

' n P nncnsafir-nr iV.r *u, 

a of the lamp. npeosating for the gr< r watt col Imp . 



( 




■■I^B ■ 



■■■HH 



WESTERN ELECTRIC COMPANY 



9 



Arc Lamp, Type 414 







Type 414 lamp c-i| uipped 
outer globe " S " tor sir 

lighting. 



wiili 
reet 



Side view of movements of lamp. 

showing magnets, dash pot 

and cut-out resistance. 



Type 414 lamp equipped with 
metal shade for factory use. 



This lamp is designed to operate in series on constant current arc machines. It 
can be wound for any current from 4 to 9.6 amperes. The standard lamp is adjusted 
for 7 amperes and 72 volts at the arc. The regulating mechanism of this lamp is the 
same as the one described for Type 425 arc lamp. The hand switch short-circuits 
the arc lamp. The automatic cut-out inserts between the positive and negative 
binding posts a resistance which causes the lamp to establish an arc when current is 
turned on. The resistance is not in circuit during the normal operation of the lamp. 
The lamp stands cut out when not in operation. The lamp can be provided with a 
metal shade for street lighting. The shade is 18 inches in diameter, fire enameled 
inside and outside, and is attached to the ring which carries the outer globe. 



( 






WESTERN ELECTRIC COMPANY 



Arc Lamp, Type 420 




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WESTERN ELECTRIC COMPANY 



11 



Arc Lamp, Type 425 








Type 4*2."> Lamp showing accessibility of 

rheostat without disturbing any 

other part of the lamp. 



Side view of movements of lami 
showing series and shunt 
magnets. 



This lamp is designed to operate five in series on 550 to 600 volts, and two in 
series on 220 to 250 volts. If one lamp of a group is turned off, or if the carbons are 
consumed, a resistance is cut into the circuit which takes the place of the arc and 
keeps the current at its normal value, while the balance of the lamps burn without 
interruption. 

The rheostat is mounted in a separate compartment on the top of the lamp, and 
consists of eight unit resistance drums. A number of them are permanently in circuit 
and serve as steadying resistance. The remaining resistance drums are cut into 
circuit by the automatic cut-out. The main or series circuit of the lamp passes through 
the upper and lower carbons, the series magnet, the switch and the steadying 
resistance. The shunt magnet is connected across the arc. When the substitutional 
resistance is cut in, the current passes from the positive binding post through the 
cut-out, the switch and rheostat to the negative binding post. The substitutional 
resistance can be cut in manually by the hand switch. 

The standard adjustment of the lamp is 5 amperes. It can be wound for any 
current between 3 and 7 amperes. For rooms with low ceilings, the rheostat may b 
taken off the lamp and hung at a convenient place. When so ordered, the rheostat 
will be provided with suitable binding posts. 






1 






i. 



12 



WESTERN ELECTRIC COMPANY 



Glassware and fletal Shades 





No. 1. Metal Shade, painted with white enamel 



<>n inside. 




Porcelain Shade •• M 




No. *. Metal Shade fire enameled on both sides. 




Outer Enclosing Globe " S.* 




• ••««•« UMQT* 



Globe ,4 L. M 
















00 




Globe "R." 







WESTERN ELECTRIC COMPANY 



13 



Data for Type 420 Arc Lamps 



Code Word 


Catalog 
No. 


Type 


Am- 
peres 


Volts 

at 

Arc 


Carbon (Solid) Length 
in Inches 


Length 
oi er 

all in 
Inches 


Approxi- 
mate 

Wright 

with 
Globe, 
in lbs. 


Style 
Inner 
Globe 

R 


Style 

Outer 

Globe 

or 

Shade 

SorM 


Approxi- 
mate 

Ship- 
ping 
Weight 


Finish 




Upper 


Lower 




Placarding 


1520 


*420 


5 


80 


y 2 xi2 


%*m 


35 


37 


50 


Black 
Japan 



These lamps are to be connected two in series on 220 volts. 



Data for Type 425 Arc Lamps 



Placarla , . 



1525 



*420 5 



80 



u xl2 



%x±% 



36 



43 



Is 



SorM 



60 



Black 
Japan 



These lamps are to be connected two in series on 220 volts or five in series on 

550 volts. 

Data for Type 414 Arc Lamps 



Placarono . 



1500 



414 



■ -7 



72 



J , x 12 




x4>, 



2 



31 



R 



SorM 



40 



Black 
Japan 



* Type 420 and 42.") can be wound for currents from 3 to 6 amperes, 3 ampere 
lamps will be equipped with %-inch carbons. 



** 



Can be wound for currents from 4 to 9.6 amperes 



i 



Approximate Hours of Burning 

The 5 ampere lamps, type 420 and 425, will burn about 125 hours; the 7 ampere 
lamps, type 414, about 100 hours. 



I 






%i 



I ; 



WESTERN ELECTRIC COMPANY 



Bulletins 



A copy of each of the following Bulletins will be furnished on request. 



nil 












Ar tin Dynamos 

Di n Generators, Type "I." 
Direct ( onnected Generating ts. Type "'I 
Din Driven G< ral s,125and250i ,Ty\ 



T Machines . 

Fans and St< Plate 

< I 

Ventilati Equipment 

'■! him Mot 

"< ind Machin 





















HO 

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• I 



1 A ,ines . 

D 11 l ,n 



] n Kot< 

" l: • I un il Cii lit Bi ikei 
K 



A i. htini 

1 Interch.m 



Blowers, Direc 



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abl< \. ; im | 






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'" it Ar. Lamps 

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Issued 



Jan., 190J 
April, 190 
July, 1903 

March, L904 
April, 1904 

Jan.. 190 

An . L903 

Jan 1909 

April, 1904 

April, 1904 
Jun< L904 

larch, 19<M 

May, 1908 
Nov., L904 
M 1902 
A. , L902 
M 1903 



I I i 



I I'H.I 



I" .J 

Fel i l] 

Inn I 




Ne* billeting in course of preparation. 



[BLANK PAGE] 




CCA 



INTFRNATIONAI 



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CHI 



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vIN I 1 Al I. 
Vm< npan 

SAN FRA\CISC<> 

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■■■■■■M 



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MULTIPLE AND MULTIPLE SERIES ALTER- 
NATING CURRENT ENCLOSED ARC LAMPS 



BULLETIN 7035 



(Replacing Bulletin 7035 of December, 1904) 



JUNE, 1907 





( 



FIGURE 1 




FIGURE 2 


With "S" Globe 


TYPES 570 and 575 


With "M" Shade 









I 






[BLANK PAGE] 




CCA 



IN T F RN ATIONAI 



Multiple and Multiple Series Alternating Current 

nclosed Arc Lamps 




Introductory 




arc lamps 



IN experience of several years in the manufacture and sale of alternatin 

places us in a position to accurately gauge the particular features and requisites 
necessary in an arc lamp. The Western Electric series alternating arc light installations 
have proved notably successful from every standpoint, and in the new constant-potential 
lamp for alternating currents, illustrated herein, are included many of the features which 
have contributed so largely to our success. We, therefore, place before the public our 
latest type constant-potential alternating arc lamp, confident that its performance will 
establish it as a standard in perfection of design and efficiency of operation. We have 
so constructed the lamp that it is adapted for either indoor or outdoor service without 
change in any part. 



MULTIPLE AND MULTIPLE SERIES 

ALTERNATING CURRENT 

ENCLOSCO ARC LAMPS 

RULLETIN NUMBER 7035 



WESTERN 
ELECTRIC 
COMPANY 



Interchangeabihty 



The interchangeabihty of certain parts of arc lamps not only facilitates the operation 
of the lamps, but also serves to keep the cost of maintenance of the plant within reasonable 
limits. In the design of this lamp care has been exercised not to introduce interchange- 
ability of parts at a sacrifice of utility. 

The Western Electnc multiple I 10-volt alternating current 
lamp with -inch carbons may be changed readily into a 110 or 
220-volt direct current lamp by changing the coils and armature 
and substituting a rheostat for the choke coil. 

A feature common to all Western Electric lamps, and one that 
has attracted widespread attention, is a peculiarly shaped casting 
known as the waist of the lamp. Its function is to separate the 
operating mechanism from the arc. It insures low temperature of 
the operating parts, the heat of the arc being confined to its own 
chamber and dissipated by radiation before it can reach the mech- 
anism chamber. This waist is closed at the bottom, to prevent the 
heated air rising and carrying dust into the mechanism chamber. 
This feature has been found of particular importance where arc 
lamps are operated in dusty places and where the lamps are used 
without the outer globes. 




FIGURE 3 

Parallel Rod Frame for Multiple 
Direct and Alternating 
Lamps 



Lamp Frame 

Our lamp frame, while simple in design and construction, 
combines rigidity and strength with a form which secures and 
maintains perfect alignment of the operating mechanism and forms a substantial support, 
also facilitating inspection or removal of parts. 

Lamps having but a single tube to serve as the frame work have been found too 
weak to carry the mechanism, and stand the strains of practical use, shipping, etc 

In Figure 3 is shown our parallel rod construction in which the cap and waist of the 
frame are connected by heavy, hard drawn brass tubes secured at their upper ends by 
means of brass hexagonal cap screws, the lower ends being fixed to the waist. The cap 
can be removed by taking out two screws and breaking one electrical connection. 

The square tube which forms the guide for the upper carbon holder is slipped into 
place from below and held by two screws only on a support carried by the waist. Th 



rrying 



- -r O - -~— r *«v..v. ...vv/ niHLU uic IUUC 

passes and a reliable electrical connection is made to the tube. All parts of these lamp 
frames are accurately machmed and carefully inspected before assembly, and the result is 
a structure whtch has been proved out and found not wanting ,„ any essential requisite. 
In fact ,. » one of the mam features of excellence on which we base our abilttv ,o place 
lamps m the hands of our customers ,n such condition that no readjustment will be found 

necessary when put in operation. 



MULTIPLE AND MULTIPLC 
ALTCANATING CUSHCNT 
ENCLOSED ABC LAMPS 
• UIICTIN NUMBER 7035 



SCRlCt 



i 



WESTERN 
ELECTRIC 
COMPANY 




In Figure 4 we show parts of the switch mechanism and binding posts. W 
particular attention to the fact that the 
switch blade is mounted upon its arbor 
by a single porcelain insulator of sub- 
stantial construction. This does away 
with the necessity for a lot of mica 
washers and small screws, a source of 
trouble in many lamps still on the market. 



e ca 



11 







FIGURE 4. Pans of S *-itch and Binding Posts 



The binding posts are mounted on the cap of the lamp by strong brass studs which 
pass through well vitrified porcelain insulators. The lower insulators are of pyramidal 
form and rest in special sockets formed in the cap, while the upper insulators are provided 
with depending flanges to shed rain or snow. The studs of the binding posts are 
squared and pass through square holes in the insulators. This prevents turning of the 
binding post and the consequent trouble from loose connections. 

In many arc lamps the outer globe is held in such a way that a breaking strain is 
brought upon the glass. The result is frequent I 
breakage of outer globes. Our outer globe- 
holding ring (Fig. 5) effectually overcomes this 
trouble and diminishes the cost of renewals of 
outer globes. 




FIGURE 5 

Oulcr globe -holding ring 







FIGURE 6 

Square tube and 
folding ribbon 



The Carbon Holder and Clutch 

The square tube (Fig. 6), which forms the guide for the upper car- 
bon, limits the travel of the carbon holder and protects the copper ribbon 
from injury. This copper ribbon forms a flexible connection between the 
traveling carbon holder and the stationary tube. It possesses 
advantages over a spiral coil in that it is not easily kinked or 
thrown out of order and offers a non-inductive path for the cur- 
rent. The connection is so made to the square tube and 
carbon holder that no restraint is offered to movement of the 
holder. We have in this copper ribbon a device tried by 
several years of service, and find it exceeds in reliability 
and durability any other known form of spiral coil or flexible cord. 

The upper carbon holder (Fig. 7), to which the nbbon is 
attached, is made in a substantial manner, of spnng phosphor 
bronze and hard copper punchings, so disposed that they will 
firmly grasp carbons of the ordinary commercial range in diame- 
ter. The holder is of sufficient weight to overcome any ordi- 
nary frictional resistance to its movement which the upper carbon 
may meet. When the ordinary cheap form of split tube is used 
for the upper carbon holder it is often found that the carbon 
become loosened and the tube becoming hot loses its tension 
after a comparatively short time of service. 



FIGUR E 7 

Upper caiboo 
notorr 



MULTIPLE AND MULTIPLE SERiES 

ALTERNATING CURRENT 

ENCLOSCO ARC LAMPS 

BULLETIN NUMBER 7035 



WESTERN 
ELECTRIC 
COMPANY 



The clutch (Fig. 8) in our arc lamp is of the double ring type, plain 
and simple without intricate parts, easily accessible, and adapted for com- 
mercial carbons. It effectually prevents the jarring through of the carbon. 




n 

plate and inner gl< 



The Gas Check 

The gas check plate (Fig. 9) is made 
of cast brass, hence is not subject to the 
corrosion always found on cast-iron plates. 
It will not warp, crack or roughen. 




GUREh 

Gulch 



The double gas chamber (Fig' 1 0) mounted upon 
the lower surface of the gas check plate, is so formed as 
to retard the escape of the gases and restrict the admis- 
sion of air, thus insuring long life in the carbons and high 
economy. The inner globe is supported by a bail, 
which is pivotally attached to the gas check plate and is 
pressed into position by the spring portion of the bail 
resting against the lower end of the globe. 






No Noise or Vibration 



E» e and vibration in start.ng has been practically overcome by the slow 

don of the carbon in the initial striking of 
tl 



\\>< nenced in alternating 
lai m the vibration and resulting mechan- 

R L al ' «" ' ' ** regulating magnet and 

the a latui 1 hi. i. eft ltcd ln the 

X lan 'l' I h mg the magnet 

land th. ibration f the armature taken 
»i I he ma t t u | , n this arc lamp 

l k«. .1 1 I 





MCI 

D e paj chamr* 



« -™- ••« *»«.o oil lamp 

ne plain, horsesh lyp.-. possessing the ad- 
' lage ol ma.ntaimng a uniform pull throughout a 

- -*- 2 Z t ££±* ai -- .-' ""■ .-*-. '^u g h 



hash, .el , , 'on ol the da he matenal used in th, lashpo, 

* <~ .: i r ' ab "' ,o s,and u * - - d - «■ 



"«0 MULTl^i 
t«ClOftl .•**» 



• CMICS 





FIGURE II 

:>ke coil, shoeing taps 
»nd voltage adjustment 



WESTERN 
ELECTRIC 

COMPANY 

Owing to the unstable nature of the arc it is 
necessary to provide a certain amount of steadvino 
resistance in series with the arc. This is provided by 
an inductive resistance consuming but a few watts. 
The inductive resistance, or choke coil (Fig. 1 I ) is 
mounted in such a way as to be readily removed from 
the lamp for inspection. 

The shell (Fig. 1 2) for enclosing the movement 
of the Western Electric lamp is made with a view to 
durability. Where other makers have recourse to 
spun rings and other penshable contrivances for pro- 
viding the necessary radiating surface, we provide a 
plain cylindrical shell which can be relied upon to last 
for many years, even in the most exposed places. 



Reflectors, Shades and Glassware 

Lnless otherwise ordered, arc lamps types 
670, 675, 690 will be equipped with clear "S" outer 
and clear "R" inner globes. 

Types 670-S and 675-S will be equipped with 
an opalescent R" globe and an "M" opal glass shade. 

When so ordered we can furnish our No. 1 
metal reflector in place of the "S" outer globe or 
"M" shade on the above type lamps. 

The No. 1 metal shade is 18 inches in diameter, 
painted with white enamel on the under side and 
black on the upper side. 

The No. 2 metal reflector is 1 8 inches in 
diameter and is fire enameled, white on the under 
side and black on the upper side. 

Any of our metal reflectors except No. 3 are 
adapted for attachment to the outer globe-holding ring by means of screws. They 
may, therefore, be used on a lamp having both inner and outer globes. The "M" opal 
glass shade is held in outer globe ring in place of an "S" outer globe. The No. 3 
metal reflector is 22 inches in diameter, fire enameled in white on lower surface 
black or blue on upper surface. They can be used only with a special holder. 

Range in Voltage and Frequency 

The lamp can be operated on circuits ranging in voltage from 95 to 1 25 volts 




FIGURE 12 

Shell 



lis, 



wo cons, eacn woun 



h 



d 



ither at 60 or 125 cycles. The choke coil is provided with t 
upon a limb of the core. On 60 cycles all the coils are in use; on 125 cycles only part 
of one coil. This coil is provided with a number of taps which permit the cutting in or 
out of turns, thereby making the lamp adaptable for high or low line pressure. 






I 



MULTIPLE AND MULTIPLE SERiES 

ALTERNAT<*a CUPRCNT 

ENCLOSED A«C LAMPS 

BULLETIN NUMBER 7039 



WESTERN 
ELECTRIC 
COMPANY 



' 







FIGURE 13 
View of lamp mechanism, showing twitch side 

with frequency terminal 










FIGURE 14 
View cf lamp mechanism, showing taps for adjusting 

lamps for various voltages 








» RE 15 

TYPE 550 

Manne Lamp 



t *»A 
C*CLO»CD 



• C CUMlkT 

wain T 0I | 



»c»ic» 




Fl 16 

YPES 570 and 

/*h No. 2 Metal 



WESTERN 

ELECTRIC 

COMPANY 




FIGURE 1 7 
olo«TTpe530 

ike 




FiGCRE 16 



V, 



the flpea*] 
our Type 530 aad53! 




FIGURE 19 

570 5 LunpwiAR Giobe 



M 



UL T f.C AND MULTIPLE SCRiEl 
I CREATING CURRENT 

ENCLOSCO ARC tAMPS 
BULLETIN NUMBER 7035 


















WESTERN 
ELECTRIC 

COMPANY 



Multiple Alternating Current Arc Lamp 



TYPE 570-S 



The demand for a short lamp is here met by a structure which combines 
elegance of appearance with compact form and small space. It is in fact a step 
forward which cannot fail to appeal to the practical man. Objection to the use of arc 
lamps is often based on their length and the consequent inability to get the light where 
it was wanted. 

We especially call the attention of illuminating engineers and other users to the 
numerous features of excellence to be found in this lamp: 

It is short. 



It 



economizes current. 
It has moisture-proof insulation. 
It is accurately proportioned. 
It is shapely in form. 
It will last long. 

It will not burn out. 

It is moderate in weight. 
It economizes space. 

It has fire-proof insulation. 
It is made of best material. 
It is well finished. 
It will burn long. 
It will not go out. 






GLASSWARE 



*. i»3i"n*"" r 1 " •' "" "■" d - J - •" d *■* -j » 



MULTIPLE AND MULTIPLE SER.r» 
ALTERNATING CURRENT SER ' ES 

ENCLOSED ARC LAMPS 
BULLETIN NUMBER 7035 



1 



10 



» 



WESTERN 
ELECTRIC 
COMPANY 






Multiple Series Alternating Current Arc Lamps 



TYPES 530 and 535. 






In these lamps use is made of the same mechanical device which is found so useful 
in controlling the arc voltage of direct current lamps when operated in series. It is found 
to give very satisfactory results in preserving uniformity in the voltage of a series of arcs 
when operating on constant potential. 

With the 530 lamp 2 in series on 220 volts much more satisfactory results in the 
matters of efficiency and first cost are obtained than with any system involving the use of 
compensating or balancing coils. 

Lamps are adapted for either indoor or outdoor use. 









MULTIPLE AND MULTIPLE SCRIES 

ALTERNATING CURRENT 

ENCLOSED ARC LAMPS 

BULLETIN NUMBER 7036 



II 









WESTERN 
ELECTRIC 
COMPANY 







Data for Western Electric Multiple 

Alternating Arc Lamps 



For all Commercial Voltages (95 to 1 25 Volts) and Frequencies (60 to 1 33 Cycles) 

Lamps are adapted for either in or outdoor use. 



Type 



Code Words 



550 

570 

570 "S" 

575 
")75S 



PI 
Pi 
P! 



acavamo 



simo 



acajsimos 



Placatorum 
Placatorums 



Terminal 

Volh 

no 


Arc 
Volts 


Amp. 


Car 

Upper 

%x 12 


bons 

Lower 

x4\ 


Weight 
39 


Length 
26" 


72 


6 


no 


72 


6 


\, x 12 


i x 4% 


32 


28* 


no 


72 


6 


Xx9 


X x 4 < 4 


30 


20" 


110 


72 


4 


%x!2 


-x4 : , 


32 


28" 


no 


72 


4 


%x9 


% x 4% 


30 


20" 



Cas 



ase 



Zi 



nc 



•I 






«• 






Multiple Series A. C. Lamps 



530 
535 



Placawat 



PI 



awox 



2 on 220 72 
2 on 220 72 



4 



y*x\i x4 

%x!2 .x4\ 




28" 
28" 



Zi 



nc 






The above Code words call for zinc cases; when copper cases are wanted add the 
ending ed ; when brass cases are wanted add the ending "est". 

(oil C T I*" ' a 7u M " Be fUmished W " h C3SeS made of c °PP er «*"> either of the 
btkliei P COPPe '' dlPPed C ° PPer ' ° Xid '" d ^' J**"" «=««« -d 

«3*4S rit::Se: ,h e,,her o( ,he **"* «*- b " — * 

w*S *1^£5t££ l b i fille f as fol,o ;r r case ^ - b * 

enamel zrnc case. P "* UpS *"" be fum ' st *d with a black 






CNCLOSCO A*C LAMPS 
■ULLCTIW NUMBER 7038 



12 



Glassware and Metal Shades 






WESTERN 
ELECTRIC 
COMPANY 





FIGURE 21 
Shade M, Opal Glass 



FIGURE 20 
Outer Enclosing Globe S 



1=3 



*y. 



FIGURE 22 
Outer Globe T 



d 






! 



FIGURE 23 
No. 1 Metal Shade 

Painted with white enamel on inside 




FIGURE 24 
Inner Globe R 



c 




- ie 



FIGURE 25 

No. 2 Metal Shade 

Fire enameled on both sides 



ULTIPLE ANO MULTIPLE SERIES 
ALTERNATING CURRENT 

ENCLOSED ARC LAMPS 
BULLETIN NUMBER 7035 



13 









WESTERN 
ELECTRIC 

COMPANY 









' V 












t'* — 






FIGURE 26 

Type 570 and 575. with Rope Tubular Suspension 

Can be supply in a„ y lengths ,o suit ouster's retirements 






"ULT.PLC AND MULT. PLC StR.rt 
ALTERNATING CURRENT SER ' tS 

ENCLOSED ARC LAMPS 
BULLETIN NUMBER 7035 



14 



WESTERN 
ELECTRIC 
COMPANY 





ulletins 



A Copy of each of the following Bulletins will be furnished 

on request. 



Number 



1003 Arc Lighting Dynamos 

2005 Belt Driven Generators, Type "L" 

2010 Direct Connected Generating Sets, Type "T" 

2015 Direct Driven Generators, 125 and 250 volts, Type "L" 

3015 Type"N" Machines 

3021 Exhaust Fans and Steel Plate Blowers, Direct Connected 

3025 Ventilating Equipment 

3030 Sewing Machine Motors 

3040-A Type "D" "C" and "E" Machines 

3040-B Type "G" Machines 

3050 Motor-Driven Grinders 

4007 

6005 



7008 
7010 



Fan Motors 

Direct Current Circuit Breakers 



I$$ued 



January, 1901 



6010 Knife Switches 



Arc Lighting 

Improved Interchangeable Arc Lamps 



70 1 5 Series Alternating Current Arc Lamps 

7040 Multiple Constant Potential Direct Current Arc Lamps 

8001 Arc Dynamo Regulators 

9005 Police and Fire Alarm Apparatus 



j 



une 



N 



ovemoer 



b 



j 



une 



April, 1903 



July, 1903 
March. 1904 



April, 1904 



May, 1907 



August, 1903 



January, 1903 



April, 1904 



April, 1904 



904 



April, 1907 



May, 1903 



904 



May, 1902 



August, 1902 



May, 1903 



December, 1904 



February, 1901 



903 



New Bulletins in course of preparation. 



ULTIPLE AND MULTIPLE SERIES 

ALTERNATING CURRENT 

ENCLOSED ARC LAMPS 

BULLETIN NUMBER 7035 



15 






WESTERN 
ELECTRIC 
COMPANY 



* 



* i 



t» 



'• * » i% 



OIK ft* 



SALES OFFICES 



( I JIC AGO 



EW YORK 



i HLADELPHIA 



I RG 



\INT LOUIS 
ANSAS CITY 



N VE 



cir vii 

UNIT PAUL 
N I R ISCO 

I I I 

GELES 

AI v 




u.n 







MULTIPLE AND MULTIPLE SERIES 
DIRECT CURRENT ENCLOSED ARC LAMPS 



BULLETIN 5512 



(Replacing Bulletin 7040 of December. 1904) 



AUGUST I, 1907 




FIGURE I 

View of lamp mechanism, 
showing multiple unit rheostat 
and adjustment for various 
Itages. 










m 



FIGURE 2 

With "' S" Outer Globe 




FIGURE 3 

View of lamp mechanism, 
showing lifting coil and dash pot. 















TYPES 670, 675 and 690 



I 



I 







CCA 







Multiple and Multiple Series Direct Current 

nclosed Arc Lamps 




Introductory 




HE Western Electric well-known lines of interchangeable direct and alternating- 
current arc lamps have come into very extensive use in central stations and iso- 
lated plants and have risen high in the esteem of users generally. However, 
experience always points a way toward improvement and we are pleased to offer our 
patrons a number of new features tending toward simplicity, reliability and perfection of 
action. We call particular attention to the indestructible rheostat and the substantial 
construction of the regulating mechanism, the porcelain-insulated terminals, heavy carbon 
holders and simplified form of switch. A full description of these features, illustrated with 
numerous cuts, is given herewith. 



Interchangeability 

The interchangeability of certain parts of arc lamps not only facilitates the operation 
of the lamps, but also serves to keep the cost of maintenance of the plant within reasonable 
limits. In the design of the new Western Electric lamp care has been exercised not to 
introduce interchangeability of parts at a sacrifice of utility. As very many of the parts 
which go to make up these arc lamps have been used in our lamps for several years and 
their reliability thoroughly proven, we feel warranted in making the statement that the 
lamps, both in design and construction, are well suited to all the requirements of service. 

A110 volt direct current arc lamp with K-inch carbons may be readily changed 
into a 220 volt arc lamp by merely substituting the proper coils and rheostat. Moreover, 
it may be changed into an alternating lamp by changing the coils, armature, side rod of 
lower carbon holder and substituting a choke coil in place of the rheostat. The design 
of the lamp is such that all of these changes can be readily and easily made. 

A feature common to all Western Electric lamps, and one that has attracted wide- 
spread attention, is a peculiarly shaped casting known as the waist of the lamp. Its 
function is to separate the operating mechanism from the arc. It insures low temperature 
of the operating parts, the heat of the arc being confined to its own chamber and dissi- 
pated by the radiating surface of the casting before it can reach the mechanism chamber. 
The waist is closed at the bottom by a ring which prevents the heated air rising and carry- 
ing dust into the mechanism chamber. This feature has been found of great benefit 
where arc lamps are operated in dusty places and in cases where the outer globe is dis- 
pensed with. 



MULTIPLE AND MULTIPLE SERIES 

DIRECT CURRENT 

ENCLOSED ARC LAMPS 

BULLETIN NUMBER 5512 



















WESTERN 
ELECTRIC 
COMPANY 



Lamp Frame 



Our lamp frame, while simple in design and construction, 
combines rigidity and strength with a form which secures and 
maintains perfect alignment of the operating mechanism, forms a 
substantial support therefor, and facilitates inspection or removal of 
parts. 

Lamps having but a single tube to serve as the frame work 
ha\ been found too weak to carry the mechanism, and stand the 
strains of practical use, shipping, etc. 

In Figure 4 is shown our parallel rod construction in which the 
cap and waist of the frame are connected by heavy, hard drawn 
brass tubes secured at their upper ends by means of brass hexa- 
gonal cap screws, the lower ends being fixed to the waist. The 
cap can be removed by taking out two screws and breaking one 
electrical connection. 

The square tube which forms the guide for the upper carbon 
holder is slipped into place from below and held by two screws only 
on a support earned by the waist. The tube is supported at its 
upper end by a plate carrying a receptacle into which the tube 
passes and a reliable electrical connection is thus made to the tube. 
All parts of these lamp frames are accurately gauged and carefully 
inspected before assembly, and the result is a structure which has been proved out and 
found not wanting ,n any essential requisite. In fact it is one of the main features of ex- 
cellence on which we base our ability to place lamps in the hands of our customers in 
such condition that no readjustment will be found necessary when put in operation. 




FIGURE 4 

Parallel rod frame for 
Multiple Direct and Alter- 
nating Current Lamp* 











FICUREJ b. .,£ £ ^„ d jn$u|ated b% 

•quare oaae pofcelain insula tort 

lot .1 m,ca washers and «„,,!! S ' rUC " on - , ' hls does away with the necessity for a 

P a> *»* we,f «,2 ;x„t;i 5 cap T ° , e lamp by , s,rong brass s,uds wh,ch 

form and rest ln special socLut A L ? '° Wer ,nSulators are ° f Pyramidal 

-co , J*. q ° Ub,e ' rom ,oose connections. 



J««CNT 
tNCLO«tO ARC LAMP- 
•ULCCTI* NUttl.cn S5 







WESTERN 
ELECTRIC 
COMPANY 



In many arc lamps the outer globe is suspended in such a way that a breaking strain 
is brought upon the glass and the result is the frequent breakage of outer globes. In the 
Western Electric lamp the outer globe-holding ring (Fig. 6) effectually overcomes this 
trouble and diminishes the cost of renewals of outer globes. 





FIGURE 6 

Outer globe-holding ring 



i 










FIGURE 7 

Square tube and 
folding ribbon 



The Carbon Holder and Clutch 

The square tube (Fig. 7), which forms the guide for the upper car- 
bon, limits the travel of the movement of the carbon holder and protects 
the copper ribbon from injury. This copper ribbon forms a flexible con- 
nection between the traveling carbon holder and the stationary 
tubes. It possesses the advantage over a spiral coil that it is not 
easily kinked or thrown out of order and offers a non-inductive 
path for the current ; at the same time the attachment is so made 
to the square tube and carbon holder that no strain is brought to 
bear at its ends. We have, in this copper ribbon, a device tried 
by many years of service, and find it to exceed in reliability and 
durability any known form of spiral coil or flexible cord. 



The upper carbon holder (Fig. 8), to which the ribbon is 
attached, is made in a substantial manner, of spring phosphor 
bronze punchings, so disposed that they will firmly grasp carbons 
of the ordinary commercial range in diameter and possessed of 
sufficient stability and weight to overcome the slight fnctional re- 
sistance which the carbon may meet. When the ordinary cheap 
form of spring tube is used for the upper carbon holder, it is often 
found that the carbons become loosened and the springs becoming 
hot lose their tension after a comparatively short time of service. 



FIGURL 

Upper caib* 
.Ider 









MULTIPLE AND MULTIPLE SERIES 

Ol R ECT CU RR ENT 

ENCLOSED ARC LAMPS 

BULLETIN NUMBER 5012 







WESTERN 
ELECTRIC 
COMPANY 







The clutch (Fig. 9) is of the double-ring type, plain and simple, with- 
out intricate parts, easily accessible, and adapted for commercial carbons. 
It effectually prevents the jarring through of the carbon. 



FIGURE 9 

Clulch 



The Gas Check 

The gas check plate (Fig. 1 0) is made 
of cast brass, hence is not subject to the 
rusting always found on cast-iron plates. 



The double gas check (Fig. 1 1 ) mounted upon 
the lower surface of the gas check plate, is so formed as 
to retard the escape of the gases and restrict the admis- 
sion of air, thus insuring long life in the carbons and high 
economy. The inner globe is supported by a bail, 

which is pivotally at- 
tached to the gas check 
plate at its two ex- 
tremities and pressed 
into position by the 
spring portion of the 
bail resting against the 
lower extremity of the 






FIGURE II 

Double gas check 



FIGURE 10 

Gas check plate and bail support 
for inner globe 



glob 



e. 



The Unit-Resistance Drum Rheostat 

res, J« ::' e (^ " The Z "' ' Tn °' ?*? ^ "^ ^ ^ 

The drums are made of well vitnfied poreelain and provided 
with crrcular grooves in which .he wrre is embedded This 
eonstruCon prevents the wire from saggmg and short-circurtmg 
adjacent turns. As the wrre ,s in c | ose proximity J, £ 
porcelarn, the hea, ,s raprdly earned off by the drum. The 
drums are practrcally indestructrble. They wall not crack or 

i - be', it c s By i :n tr mc rf ,he ~« 

on the porce Lin drum thTnumb " g "" " d ° W " 

.... ,1 nUmbCr °' aC " Ve ,Ur " S °< ™ <*" ^ read,ly adjusted. 

DIRECT CURRENT "'" 

ENCLOSED ARC LAMPS 
BULLETIN NUMBER 5512 




FIGURE 12 

Indeslruct.l unit resiilano , 

adjusting clamp 



nd 






■ 



WESTERN 
ELECTRIC 

COMPANY 



The 1 1 volt lamps can be adjusted by means 
of a rheostat to operate on circuits ranging in voltage 
from 100 to 125 volts. The 220 volt lamps can be 
used on circuits ranging in voltage from 200 to 250 



vo 



Its. 



The shell (Fig. 1 3) for enclosing the movement 
is made with a view to durability. Where other mak- 
ers have recourse to spun rings and other perishable 
contrivances for providing the necessary radiating sur- 
face, we provide a plain cylindrical shell which can be 
relied upon to last for many years, even in the most 
exposed places. 




FIGURE 13 

Enclosing shell for mechanism of lamp 



Reflectors, Shades and Glassware 

Unless otherwise ordered, arc lamps types 670, 675, 690 will be equipped with 
clear "S" outer and clear "R" inner globes. 

Types 670-S and 675-S will be equipped with an opalescent "R" globe and an 

"M" opal glass shade. 

When so ordered we can furnish our No. 1 metal reflector in place of the "S" outer 
globe or "M" shade on the above type lamps. 

The No. I metal shade is 1 8 inches in diameter, painted with white enamel on the 

under side and black on the upper side. 

The No. 2 metal reflector is 18 inches in diameter and is fire enameled, white 
on the under side and black on the upper side. 

Any of our metal reflectors except No. 3 is adapted for attachment to the outer 
globe holding ring by means of screws. They may, therefore, be used on a lamp having 
both inner and outer globes. The "M" opal glass shade is held in outer globe ring in 
place of an "S" outer globe. The No. 3 metal reflector is 22 inches in diameter, fire 
enameled in white on lower surface, black or blue on upper surface. It can be used only 
with a special holder. 



Approximate Hours of Burning 

The 5 ampere, 1 1 volt lamps, equipped with ^-inch carbons will burn approxi- 
mately 1 50 hours, often reaching a life of 1 60 to 1 80 hours; the three ampere I 1 volt 
lamps will burn approximately 100 hours, often reaching a life of 125 hours. 

The 2 ! ampere, 220 volt lamps will burn approximately 1 50 hours, often exceed- 
ing this by a considerable margin. 



ULTIPLE AND MULTIPLE SERIES 

DIRECT CURRENT 

ENCLOSED ARC LAMPS 

BULLETIN NUMBER 5512 







WESTERN 
ELECTRIC 

COMPANY 













c 







4 






FIGURE 14 

TYPE 650 

Marine lamn 





I 




FIGURE 15 

TYPE 670. 675 and 690 

With "M" shade 




MULT. P LC ANo MULTIPLE SER.ro 
DIRECT CURRENT " 

ENCLOSED ARC LAMPS 
BULLET, N NUMBER 5512 



FIGURE 16 

TYPE 670 

With No. 2 metal shade 
Dust ring and *R" globe 






p^i 



WESTERN 
ELECTRIC 
COMPANY 



Multiple Series Direct Current Enclosed Arc Lamp 



TYPES 430 AND 435 








FIGURE 17 

Types 430 and 435, with 
'S' outer globe 



FIGURE 18 

View showing the special attachment 
used on our types 430 and 435 



so mo 



In this lamp we employ a mechanism which is as simple in construction and opera- 
tion as that of our ordinary multiple lamp Type 670, the main feature of difference being 
the addition of a small weight carried on the arm of a pivotally mounted lever which is 
connected by a link to the moving parts of the regulating mechanism. This simple device 

difies the action of the mechanism as to counteract the tendency of the different 
lamps in a series to operate with different arc lengths and voltages. 

When operated 2 in series on 220 volts with a current of 5 amperes the lamp will 
give as perfect service in the features of intensity, color and diffusion of light as can be 
obtained from our regular 1 1 volt Type 670 lamp. 

The Type 430 lamp (see Figure 1 7) is capable of use 2 in series on the proper 
voltage, but is provided with the ordinary ballasting resistance only, the cutout resistance 

having been omitted. 

While the demands of service on 220 volt direct current systems often call for the 
installation of lamps to operate singly, such as our well known Type 690 and kindred 
types, considerations of efficiency, color, etc., will naturally give the preference to the 430 
lamp wherever it can be used with convenience. To meet the demand for a low candle 
power lamp suitable for operation 2 in series on 220 volts, we have designed our Type 
435. This lamp takes 3 amperes of current and has all the desirable mechanical and 
electrical features embodied in our Type 430. It gives as satisfactory results as though 
operating singly on I 1 volts. 

MULTIPLE AND MULTIPLE SERIES 

DIRECT CURRENT 

ENCLOSED ARC LAMPS 

BULLETIN NUMBERIS512 
















WESTERN 
ELECTRIC 
COMPANY 




FIGURE 19 

Type 670 S, .howing internal mechaniun 










FIGURE 20 

Type 670 S Lamp with R Globe and M Shade 






O'RCCT CURRCNT SCRIES 

ENCLOSED IRC LAMPS 
•ULLCT.N NUMBER 6612 









WESTERN 
ELECTRIC 
COMPANY 



Multiple Enclosed Arc Lamp 

Direct Current 






TYPES 670-S, 675-S, 690-S 



The Western Electric Company, in bringing before the public its latest improved 
form of indestructible short enclosed arc lamp, feels a just pride in the fact that in this new 
lamp it has made a decided and noteworthy step in advance. 

It is specially adapted for service in buildings having low ceilings. 

The attention of illuminating engineers and all users of arc lamps is called to the 
many features of excellence to be found embodied in the lamp. 

It is short. 

It economizes current. 

It has moisture-proof insulation. 
It is accurately proportioned. 
It is shapely in form. 
It will last long. 

It will not burn out. 

It is moderate in weight. 
It economizes space. 

It has fire-proof insulation. 
It is made of best matenal. 
It is well finished. 
It will burn long. 
It will not go out. 

OPERATION. — In the matter of regulation and steadiness of operation this lamp 
is not excelled even by the most perfectly designed full size arc lamps. The arc is 
established and maintained so perfectly that great steadiness and freedom from interrup- 
tion results. 

GLASSWARE. — The glassware used is of the standard size and shape used on 
the larger types of lamps. This permits the use of long and short lamps in arc installa- 
tions without the necessity of carrying two lines of glassware. 






ULTlPLf ANO MULTIPLE tCMlft 

DIRECT CURRENT 

ENCLOSED ARC LAMPS 

BULLETIN NUMBER 5512 



II 












WESTERN 
ELECTRIC 
COMPANY 



Multiple Series Direct Current Enclosed Arc Lamp 



TYPE 420 



R E 21 

■> series mag 

and dr 




i ia re n 

* V % Thing any 

other parti of the Ump 



y of 



FIGURE 23 

I lamp, showing series 
and ihunt magneU and 
dash pot 



e tguthed °' '' "* Carb0n ' '" °" e '-P are "»»™ d. .he Cher lamp is 

"-e lal" ll :' ^ "T r " 5 ' S,anCe Un " S ' r ° m ""** ^ ">*»*" "' 

:i i ca ,x a ; ; ase t ,op i* 6 arc iamp - The she " ° f "- 

he lamp a. ,he postdve 1'! ""J! ^ r 4 ' 5 ' ' era ° Ved - The cu ™' «*« 

rem there throl w t ma ~ .T thr ° Ugh "* "^ Carb °" to ,he '™" • *"<* 

a ~ the arc. A „ 1! f 7 b, r fc " g P0S ' The Shu "' «»«- - connected 
c ol ,e lam W he ' , f S ^ """ ""S^ is ^"^ '<* *« shun, 

n g "h , unt , CU11 ? h r gne ' ,s en , er r d ,he arma,ure °' ,he cu, -° ui 

( h « -• A ', he sh 1 The , PU , rp ° S L e ° f ,he ""-"' » «o prevent the passage 

J^-men, „l * | amp - e a f T '"" ,he ma '" *°* ■ W ■• The standard 

7 am™. ' amiWr,,s - '' «« be w„ u „d for an :urren< l„,v , 3 and 



es. 



**P MUll 

:t cusmm 



ws.r$ 


















12 




Multiple Series 
Direct Current 
Enclosed Arc Lamp 



TYPE 425 





WESTERN 
ELECTRIC 
COMPANY 
















FIGURE 24 

TYPE. 425 lamp iKowing accessibility of 
rheostat without disturbing any 
other pari of the Ian 



FIGURE 25 
Type 425 



FIGURE 26 

Side I irw of movements of lamp, 

showing series and shunt 

magnets 



This lamp is designed to operate five in series on 550 to 600 volts, and two in 
series on 220 to 250 volts. If one lamp of a group is turned off, or if the carbons are 
consumed, a resistance is cut into the circuit which takes the place of the arc and keeps 
the current at its normal value, while the balance of the lamps burn without interruption. 

The rheostat is mounted in a separate compartment on the top of the lamp, and 
consists of eight unit resistance drums. A number of them are permanently in circuit 
and serve as steadying resistance. The remaining resistance drums are cut into circuit 
by the automatic cut-out. The main or series circuit of the lamp passes through the 
upper and lower carbons, the series magnet, the switch and the steadying resistance. 
The shunt magnet is connected across the arc. When the substitutional resistance is 
cut in, the current passes from the positive binding post through the cut-out, the switch and 
rheostat to the negative binding post. The substitutional resistance can be cut in 

by the hand switch. 

The standard adjustment of the lamp is 5 amperes. It can be wound for any 

current between 3 and^7 amperes. 

MU LTIPLE «NO MULTIPLE SOUS 

DIRECT CURRENT 

CNCLOSEO ARC LAMPS 

BULLETIN NUMBER SSU 






13 








WESTERN 
ELECTRIC 
COMPANY 



Data for Multiple and Multiple Series Direct 

Current Enclosed Arc Lamps 

Lamps are adapted for either in or outdoor use 



Type 



Code Words 





1 1 Volts 


Terminal 


Arc A 
Volts Am P- 


Carbons 


Volts 


Upper Lower 



Weight Length 



650 

670 
670 M S" 



Plaenkelei 
Plaenisti 



675 



675 "S" 



PI 
PI 
PI 



aenistis 



aensian 



aensians 



110 


80 


5 


%x 12 


>,*4 . 


32 


26" 


110 


80 


5 


y>x 12 


X x 4% 


28 


28" 


no 


80 


5 


%x9 




25 


20" 


i no 


80 


3 


%x 12 


\ x4% 


28 


28" 


no 


80 


3 


. x9 


l 4 « 4% 


25 


20" 



220 Volts 



690 
690 "S" 

695 



Plaettbar 
Plaettbars 
Plaettneb 



220 


150 


2X 


220 


150 


2X 


220 


150 


2% 



%x\l 

x9 



Vz x 12 



■,x4 : ', 


28 


28" 


%xA% 


26 


20" 


/x4<, 


32 


26" 



Multiple Series Direct Current A 



430 
435 
420 
425 



Plaeit 



roe 



Pleattnet 

Placarding 

Placarla 



pie Series L 


'irect 


Current Arc Lamps 


2 on 220 80 


5 


#*12 X*4 ; 4 28 


2 on 220 80 


3 


%«I2 . x4 : ', 


28 


2 on 220 80 


5 


X x 12 '.;x4 :i 4 


41 


5 on 550 80 1 


5 


h * 12 %x4' 4 


43 



26 
26' 
35' 
36" 



ase 



Steel 









• * 






Steel 



i « 






Steel 



44 



> • 



• * 



endin J^J^l "t ""'^ "" '"' *"* ^ ; whe " ^ « s « ™ ™'ed add the 
ending ed ; when brass cases ate wanted add the ending "est" 

Copper case lamps will be fumrshed wrth cases made of copper wuh e.ther of the 
EEff" P ° khed ^ ^ "** Mfed «*£ Japanese To;;' and 

ox,d, S edl- oTjates^per ^ °' "" ^ «*- ** — * 

fum.sh U edt thlrjLrtt °' derS "" h fi " ed " f °" OWS: ^' <=« '-P -'">e 
enamel s ,eel case PP "^ "^ "* Um P S W " be f™^ m.ha black 



and other data on application. 

MULTIPLE AND MULTIPLE SER.ts 
OIRECT CURRENT '" 

ENCLOSED ARC LAMPS 
■ ULLETIN NUMBER 6512 



Prices 






14 



■ 



WESTERN 
ELECTRIC 
COMPANY 



Glassware and Metal Shades 




5 

FIGURE 27 
Outer Enclosing Globe S 




FIGURE 29 
Shade M, Opal CI. 




1 






\ 




J 



FIGURE 28 
Inner Globe R 




FIGURE 30 

No. 1 Metal Shade 
Painted with white enamel on inside 




FIGURE 31 
Outer Globe I 




FIGURE 32 
No. 2 Metal Shade 
Fire enameled on both sid 



ULTintANOMULTlHC •EAlCS 

OIRCCT CUHRIN I 

CNCLOSCD A«C LAMPS 

■ ULICTIN NUMBC* SSI 2 







I 







WESTERN 
ELECTRIC 
COMPANY 





ulletins 




jml>- 

5351 
3030 

K 

3065 

• 70 

5 
08! 

K)65 

H 

4 »7 
7 

9 i 







A Copy of each of the following Bulletins will be furnished 

on request. 

Ventilating and Exhaust Fans 
Se\ lg Machine Motors 
E" Type Motors 
1 ! ing Motors, "H" De-ign 
"I" I Motors 

r- Driven Grinders 
Alternators 

Direct Driven Generators L" Design 
B< It Dn n Generators 
Induction Motors 
Fan Motor- 
Multiple Sen. and Constant Current Arc Lamps for Direct Current Circuits 
Multiply md Multiple Series Alternating Current Enclosed Arc Lamps 
be losed Alternating Arc Lighting System 

Multiple and Multiple Series Direct Current Enclosed Arc Lamps 
roh and I e Alarm Apparatus 





A. I 



H 







Ik 






CHk SCO 



IS 



SALES OFFICES 



KAN 











I YORK | ILADELPHIA 

SEA1ILI LOS A £S 

•r* AII.ANTA 

SA,NT PA RANCISCO 

« ,i v 






if, 



WW 



[BLANK PAGE] 




CCA 



INTFRNATIONAI 


















I 










V rS 



















Improved Interchangeable 
Long-Burning Arc Lamps for Constant Potential 

Direct Current Service 







«£ 



<M 



<& 



INTRODUCTION 



•.^ 



«g 



<# 




N THIS catalogue we give full data covering the various num nd 

types of our IMPROVED INTERCHANGEABLE ARC LAMPS d< d 

for direct current constant potential servi 

In U ping with the progressi pint of tin n this field, w 

have designed a lamp which combines a larger number of ood f< tures 

than any lamp w<- have before produ 

Our long experience, together with the genen help ol our man 
patrons, has placed us in position to correctly gaug< the needed impro 1 imenl in 
guard against tin evils heretofore encounter I. 

We have, as tar as practicable, held in view the desirabil f inter ha 

able parts, and it will be noted that many parts used in the di nt 

identical in form and material. This is desirable, both from tl us 
standpoint, as it reduces cost, facilitates changil lamps fro type to anoth< 

and reduces the time required to obtain repair parts. 

Full din tions for trimming, installation and care are [ n with referen 

each number and type. 

Lamps can be ordered by simply giving number, t\ nd glassware want* 
Adjustment, finish or glassware differing from tl given in da1 sh 1 for each 

lamp should be clearly stated. 



WESTERN ELECTRIC COMPANY 



— 



1 




















• Fiji. 1 and Fig. 2 are views taken from oppi ides 

l lamp showing the solenoids with U shaped iron c< 
which regulate the current and voltage of the arc, and 
L.iate the feeding mechanism. This form of regtilatin 
lectro magnet has been found superior, in many resp 
to th< sing noid type so long used. 

In Fig. 1 the air dash pot is shown lo d between 
nd slightly forward of the solenoids. With lamp re- 

moved it is fully open to inspection, and the withdrawal 
of but two \sj mils removal. In the upper part is 

si n the ries resistan , consisting of a helically coiled 
wit which is supported throughout it^ entire length by a 
deep grc d thn 1 upon the surface of a well vitrified 
p< elain cylinder. 

In Fig. 2 can be n a portion ot the squai tube 

ming the guide and shield for the upper carbon c - 

nector, also parts of the quick break gravity switch with 

a special feature ^curing quick positive action without the 

us of spring 




FIG. I 



FIG. 2 




FIG. 3 

Fig. 3 is a view of the tubular guide and shield for the upper carbon connector with on >ide 
rem d showing the sliding or movable carbon connector and the folded copper ribbon forming 

n connection between the tube and holder. This tubular guide pi erves the alignment of the 

, forms the limiting stop for the downward movement and shields the folded coppi ribbon 
from injury. T tube together with the connector and ribbon can be taken out of a lamp I firs 
remo the £ k plate and then the two screws which hold the tube. 




FIG. 4 



h '•„ '''', «ews oft porcelain cylinder for ipporting the r no :. It will 

•nttatrh. ,r holding the coil is very deep, that the coil cannot , ,K displa, I. 

: P ; 1 "; ,ns,deof ' •*»' !»*« *■«. the i ugs , . K inv .~ M u v ,.., 


























* 



'1 



• 



1-: . 










• 





















I I 



n t 






. 



FOR INDOOR USE. 






. I . 



11- I ). I il panese < 
























11 

lie 
11 


















• * 









I >pp< Finish 

< ! ( .<>) I inish 









~ 



i ial lapanes* i 









Old < 'P| I) 



FOR FACTORY USE 



10 \ ■ D < . OKI ( ; r I inish, \\, 



























FOR OUTDOOR USE 

ui:. u. < | j ni j 





















FOK INDOOR AND OUTDOOR USE 






I). I U 



in I 


















NOTICE 



1 




HIGH GRADE APPARATUS 



■ * 






Improved Interchangeable Enclosed Arc Lamp for Constant 

Potential Direct Current Circuits 








FOR INDOOR USE 



/ 



- 






142" 

1421 

125 

144i > 
1441 



l> 






/ 



I arbons, 
Length in 

Inches 



o 



470 
47 

475 

490 

4' >i ) 



5 

5 

3 

? > ■ 

1 . 



i. 

Si I 

8 

o 

14m 
14H 



xl2 

■xl 
■ I 

' .■ X 1 2 

' 1 2 



x5 

ix5 

•: S 

x 5 



c - 

SiE~ 

c = = 
.2 CD •= 

o £ H 

p c c 
< X 



>o 

ISO 

ISO 
ISO 

50 

LSI i 



3 § 









24 ! 
24 ^j 

24 



- .£ 



£ 



" — 



25 

is 

25 
25 
2 
25 



t< 






"3 

7 



Finish 



Inne 


Gl 


Style 


7 


L 


IW 


1. 


M 


L 


M 


L 


M 


L 


M 


l. 


M 



Special Japanese Copper 

I Hd Copper 

Spei ial lapanese Coppi i 

)KI Copper 
Special Japanese 
( >ld Copper 



Cupper 



Globes will be furnished in place of shade M when specially ordered. 



9 









Improved Interchangeable Enclosed Arc Lamp for Constant 

Potential Direct Current Circuits 


























14 
14- 









FOR FACTORY USE 



- 


















! 


















- 


















| 














1 »n 


































/ 












M 










L 


K\ 






_ 



*r 



Improved Interchangeable Enclosed Arc Lamp for Constant 

Potential Direct Current Circuits 




FOR OUTDOOR USE 



3 

U 



a> 



•— 

r~, 

5 
< 



< 



Carbons. 

Length in 
Inches 



<L> 






142 

144') 

1427 



474 
494 
476 



5 
2', 



i 
140 



54x12 
'.xl2 



x5 



I 



»''-' } " 



t;£c 






5S.E 

X 

£ B 

n rs <L 



15(i 
>0 

15<i 









< 


J3 X 


O 


1- / 


- — ^_ 
— 


a 


<L< 1/ 


—* ■ — 


L* 


> JZ 


£ t> 




o g 


.o 


3 


• ^^^ 


X M 


O 

1/ 




SO 


r* 


'— . S3 


>. 


ED 


< r 






^ 


/ 


25^6 


26 


S 


2 5 5 


26 


s 


2 5 5 6 


26 


s 



2 



_0 

7, 



T3 

7 



I mi >h 



L 
L 
L 






Old C'-ppc 

Old Copper 

( )M Copper 



A metal shade, white enamel on under side, will be furnished when specially ordered. 
Shade i ittached din ly to outer globe holding rum and permits the use of outer globe. 



11 















Improved Interchangeable Series Constant Potential Direct 

Current Arc Lamps 











TYPE 400 



FOR INDOOR AND OUTDOOR USE 



List 


















For operation two in n >2i) volts dir urrent. Complete with outer Globe 

Clear and standard enclosing Globe L Clear. Old Copper finish. 
F, ; r P.v should be inverted, thus forming a weather} of bell. 

Wh the carb »ne lamp onsumed both lamps will b extinguished by the 

auton tic cut-out. 



_><M» 



all\ 



1. th< lamps can be adjusted | perate at any si ified volt e between 



DATA 



- 






< 



U th 
In 









/ 



E 



w 









E 

f h- 



- f 

- 



: 






1. 4 








1 


*_ 




*— 


*- 


=jC 


— 


'^ 


c: 


^ 


& 








-. 




pii 


c 


a 


C- 


^_ 




J3 


< 






^ 



- 
c 



3 

— 

3 



I uiish 












xl2 '_ 5 1 



il 



32 



I. 



S 



>ld C 






12 







TYPE 405 



FOR INDOOR AND OUTDOOR USE 



> 



List No 

1285 



For operation five in series on 550 volts direct current. Complete with outer globe S 
Clear and standard enclosing Globe L Clear. Old Copper finish. 

This lamp is especially designed for street railway circuits being provided with an 
automatic cut-out and substitutional resistance. 

The lamp is cut out automatically when the carbons are consumed, while the remaining 
lamps of the series are not interfered with. 

NOTE: These lamps can be operated any number in scries provided proper voltage is maintained. 

DATA 



1 

Z 

3 

tx 



<3 



p. 






Carbons. 
Length in 

Inches 



Urn 



\— 




It 


0; 


& 


? 


c~ 


C 


D 


- 1 



£ 
'— »— 

02 £ 
u 

o c 

x 



1285 



4(>5 






80 



i 



, x 1 2 



cS 15i» 





• 


< 


^ 1/3 




bfl~ 


I- / 


0j C 




- 1 — ' 


c g 


JL 


• ^M 


y. — 


5 e 


S o 


o 


< 'Z 


-J 


* 


36 


35 



- 

'J 






■^ 



v. 



u 

o 

3 

c 

■ 

t/; 



F iuish 



L 



S 



Old Copper 



13 



1 



Marine Direct Current Enclosed Arc Lamp. 



Type 450 



List No. 



14' id For burning singly on 1 10 volts, with special case -and wire guard, with inner and outer 

globe tor marine service, indoor and outdoor use. Complete with outer clear i 
T. with standard inner Clear globe L and wire guard. Old Copper finish. 







DIRECT CURRENT STYLE 



3 



1 arbons 

th in 

Incl 









f 



/ 









1 i 4 



i) 



c 

II 

Z. E 

E 
c c 






: - '-x5 1. to 150 23'^ 











< 


^ ^ 

*— 


» 


g 








2 


s 


'5 c 


; 


J 




^ 




, 


J 


- g 




£ 


= 


jmm 
s 


^ 


s 


5 c i 


<*- 

mmm 


c 


o 

41 



I h 









L 



I 



Old CODI 



' -i 




Rem th( en losin globe by turning th spring holding rii to the I until th tl 

r i n ii i I r of thi upportin hooks, then lowering the globe 

Aii<r removing tin tubs from the holders, pla< 12 m in [ 

up through the lower clamp, the gas hi k plate and clutch into tl upper clamp wl 

I by a moderate pressure from the clamp screw tight I ; in . Next i 

lower carl tin position , ob rving that its uppei id is on a I with bi 

Mill upon one Ol the side rods. 

In repla< ing the lot v< areful not t<> si i _. th< 

upper ground edg n a small nick in the will d i the Ii' r th 

S* that the globe is held linst the gas cin k plate b; the spring ring with i 
sure. It will I ed that the rinti is bent on < h ( to ca it to lift the glob tv 

points, and should it be found that a globe do( - n<>t I i ain I th< \ b >nly lighl 
sure can be adjusted by inert tsing the end i little in each ' th prin B( ii 

ive pressun <s the globe is liable to I >roken tl 



It is well to gauge ill carbons used, seeing thai none I i upi 

Mill, i than .50 in diameter. Carbons lar i than t b< I n ind i 






The abo\ dii tions will apply to all ty] 3 herein mentioned No. 125 I I 

1426 I 475 in which types 12" carbons an u ed. 

Alter .i lamp has burned its lull time there will remain suffi i n to il - 

lower in retrimming. 

In cleaning bes do not use any article ol mi us the h; I or a ] 

the waste inside the globe. 

And. isional washing in good soapy water, with a the i rinsing in deal wal 
the dirt and leave the glob< I an as when new. 



w 



d to 






I js. 8 and 9 show a devi( for trimmii a lamp when h< M< 

are brought in engagement with the pr< tin n thi holding ri 

Pia, s. It i n mo\ I into a horizontal position and turn « tl o i 

s( Fi 









FIG 8 



fig 9 



15 




In ii llii tli lamj th* juirem f the National Board of Fire Underwril II foi 

fu • be pi J in h Individ 1 lamp. This fus should h ty that 

nt • rmal will i use it to bl * immediate! 

A I ining whether a fu of proper si, to remove the from 

imp n, while it ,rnir pre the f the regulati ids downward until the up| 

n y tlu lutch and r upon the lower as to extinguish the arc TTn 

si ild be I n th< nt tl i tinguished. 

1 I 'Id I tune, alwa; imi the lamp w I before res tori I til 

fu w ex ly la fuse wire 1 used. 

I 1 £1,1425 I426,14i id 1429 rily adjusted for 1 10 voH and will 

Imitoi a rai from 1 ' to 120, the voH I tin i varying aim. I • 

, th nt l p ill; t. 

I \ . 144 1441, ] ,| 1449 are ordinaril) !nri ,)ts | will mit ol 

- : M t th< irj ii with th ,, : tli 

ill;-. 

Wl I h tl y on higher or I. r vol than that given, it i 

that the lamps can havi 5fX I adjust nt. 1 just- 

1 r win the volt; high low intil th 



*-J » ' ' L 



1 




AwWVWWWWWWWWVV 




a, 



o 



u 



p 
^ 


B 


— 

D 
P 


o 




o 




T\Q II 



• 



' 






t VI 



U" 



I 



immi 



np wh i hot. I 






, 






i 






v* i 









Al 



t\ 



:470,4 | 475. 4' 4 






h 






np 






■ 









a I ip id || a t! 



ng Ian • B 

no I J l> the 




I I * 



I 

1 i : 



tl 










+ 





N~ 



FIG. 12 



FIG. 13 



Fig. 12 is a diagram of connections of type 400. 

This lamp should always be so connected that the current will pass through the lamp from the 
+ terminal to the — terminal, or downwards through the carbons. M is the main or series magnet, 
S the shunt or feed magnet, A A" the armatures, B the roller bearing for the armature lever, C the 
clutch, U the shunt magnet cut-out, R the balancing resistance, S the resistance shunt around the 
main magnet, and T the adjustable shunt cord for regulating the amount of resistance. Adjustment 
of the lamp for different currents is secured by moving the sliding clamp upon resistance S / so ;is 
to vary the amount of current shunted round the magnet. Adjustment of the lamp to a particular 
voltage is secured by moving the cord T until arc voltage and current are as desired. 

Fig. 13 is a diagram of connections of type 405. 

Always connect so that current will pass through lamp from + to — 
through the carbons. 



terminal or downward 



The connections of this lamp are the same as in type 400 except that this lamp has an auto- 
matic cut-out, D, which operates to cut in a substitutional resistance which takes the place of the 
arc whenever a lamp is cut out and allows the other lamps of a series to burn uninterrupted, and 
there is no shunt magnet cut-out. A portion of the resistance R is used as ;i balancing resistan< 
.md can be varied to suit conditions by means of the shunt cord T. 

As in type 400, adjustment for current is obtained by shifting the movable clamp in resistance 
shunt S'. 




17 



- 






TYPE AND DIMENSIONS OF ARC LAMP, GLOBES AND SHADES 



_ it- j 



- 



*- 







c 



T M .fc r*Cf fttOUND kUOOtH 



=3 



" 



— 31-1 — » 



.,, 



Inner Globe Supporting 
Ring Fca L. P and 

Q GLOBES 



V 



I 



Globe L 



U 7\D, 




L- 6- 




IB - 



Porcelias Shade M 



T 



OJ 




Outer E .osinc Globe S 




f 






1" 
I 
I 

i 
i 



j. 



Globe P 

















Ring for M Sha de 



Globe W 



I 



»oi 




I 

.OBE Q 



a 















Globe R 




Dimensions ano Diagram of Outer Globe T 



.* .« > WESTERN ELECTRIC COMPANY * ^ j* 



( 




18 



%$Ni 



•J*r 



** 



BULLETINS 



•**> 



•^ 



< 



A Copy of Each of the Following Bulletins will be Furnished on Request 



Arc Lighting Dynamos 



I it ion ul I tin Nn . 



Direct Driven Dynamos, Constant Potential 



R lltfon "i i N( i 

Direct Th-Tben Generators— For Power and Lighting, 125 and 250 <voi 

Type L ...... 

Belt Driven Generators . 

Poller cMotor Catalogue . 

Poller and Lighting— Slo<w Speed Dynamos and Motors 

Petite Alternating Current Arc Lamps 

Arc Lighting— Arc Lamp and cAccessories 



il Mul U-t in \ 






Improved Interchangeable Arc Lamp? 
Scries cAlternating Current Arc Lamps 



.i Bulletin No 



X>3 



No. :<»>: 



No. 2003 



No. :<><>) 



\ 



1004 



No. 70t 



No. 7008 



No. 701 






cArc Lamps— Direct Current Constant Potential- Op ittng Singly in Multiple, No. 



cArc Ttynamo Regulators 
'Police and Fire Alarm Apparatus 



No. 8001 






WESTERN ELECTRIC COMPANY 



[ 






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INTFRN ATIOMAI 










m 



r 



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CCA 



IN TFRN ATIONAI 



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CCA 



INTFRNATIONAl